com.googlecode.jinahya.persistence

Class MappedMorton

java.lang.Object

com.googlecode.jinahya.persistence.MappedMorton

All Implemented Interfaces:

Serializable

@MappedSuperclass
public abstract class MappedMorton
extends Object
implements Serializable

"When It Rains It Pours®".

Author:

Jin Kwon

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	DENSITY_MAX The maximum value of density.
protected static int	DENSITY_MIN The minimum value of density.
protected static int	MAPPED_DENSITY The default value for density.
protected static int	MAPPED_SODIUM_LENGTH The default length of sodium.
protected static int	SODIUM_SIZE_MAX The maximum length of sodium.
protected static int	SODIUM_SIZE_MIN The minimum length of sodium.

Constructor Summary

Constructors

Modifier	Constructor and Description
	MappedMorton() Creates a new instance.
protected	MappedMorton(int density, byte[] sodium) Creates a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
protected static char[]	cassword(byte[] bassword) Converts given bassword into a char[].
protected static int	iterationCount(int density, byte[] bland)
protected static byte[]	pbkdf2(char[] password, byte[] salt, int iterationCount, int keyLength) Does PBKDF2.
byte[]	salty(byte[] bland) Makes given bland salty.
protected static byte[]	sodium(int length) Generates a sodium.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DENSITY_MIN

protected static final int DENSITY_MIN

The minimum value of density.

See Also:

Constant Field Values

DENSITY_MAX

protected static final int DENSITY_MAX

The maximum value of density.

See Also:

Constant Field Values

MAPPED_DENSITY

protected static final int MAPPED_DENSITY

The default value for density.

See Also:

Constant Field Values

SODIUM_SIZE_MIN

protected static final int SODIUM_SIZE_MIN

The minimum length of sodium.

See Also:

Constant Field Values

SODIUM_SIZE_MAX

protected static final int SODIUM_SIZE_MAX

The maximum length of sodium.

See Also:

Constant Field Values

MAPPED_SODIUM_LENGTH

protected static final int MAPPED_SODIUM_LENGTH

The default length of sodium.

See Also:

Constant Field Values

Constructor Detail

MappedMorton

protected MappedMorton(int density,
            byte[] sodium)

Creates a new instance.

Parameters:

density - density

sodium - sodium

MappedMorton

public MappedMorton()

Creates a new instance.

Method Detail

pbkdf2

protected static byte[] pbkdf2(char[] password,
            byte[] salt,
            int iterationCount,
            int keyLength)

Does PBKDF2.

Parameters:

password - password

salt - salt

iterationCount - iteration count

keyLength - key length (in bits).

Returns:

generated output.

See Also:

PBEKeySpec(char[] password, byte[] salt, int iterationCount, int keyLength)

cassword

protected static char[] cassword(byte[] bassword)

Converts given bassword into a char[].

Parameters:

bassword - the byte array; must be not null nor empty.

Returns:

the char array

iterationCount

protected static int iterationCount(int density,
                 byte[] bland)

sodium

protected static byte[] sodium(int length)

Generates a sodium.

Parameters:

length - number of bytes

Returns:

a new sodium.

salty

public byte[] salty(byte[] bland)

Makes given bland salty.

Parameters:

bland - the bland input; must be not null nor empty.

Returns:

the salty output